| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not used very often, or used for a small part of the area irrigated | 24 |
4.5%
|
| 2 | Used for a significant part of the area irrigated | 19 |
3.5%
|
| 3 | Main irrigation source used | 495 |
92%
|
| Sysmiss | 5117 |